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FAQs

If I need to adjust my cable length on a Von Duprin concealed vertical cable exit device, can I reuse my existing cables?

Resolution: New cables need to be ordered if the cables need to be resized. Once the end fitting nut is tightened, it cinches down on the cable such that the nut can't be loosened or readjusted.:

When did Classic Primus keys get new coining?

Resolution: :

How to template a 4050A with swing clear hinges?

Resolution: Locate Closer body and shoe from the centerline of the swing clear hinge pin. :

Can an LCN 4020 closer be used with Wide Throw Hinges?

Resolution: A 4020 can be used with wide throw hinges but with standard arms, you will get a diminished degree of opening. Using a 4020 with ST2458 might be a solution for WTH but there are other f...:

Can Falcon key blanks be ordered as each or do they have to be in boxes of 50?

Resolution: Falcon key blanks should be ordered according to the following quantities: STANDARD (non-IC) Operating key blanks, 5-pin (standard and plain/unembossed) - 50 Operating key blanks...:

What type of bearing does the Falcon SC series closers use?

Resolution: Below information is only visible to internal staff as this is not something that is published. 11/10/21- Per Eng (BM) - For the Falcon SC closer line we don’t specify type of bear...:

Does the 4031 series closer have a -18 drop plate for pull side mounting?

Resolution: No, there is no 4030-18 Drop plate. :

Is the 4010 hold open arm the same as the 4020 hold open arm?

Resolution: No, these arms are not the same and are not inter changeable. :

What is the difference between 622 V 643E?

Resolution: 643E is a Satin Bronze Plated, Blackened (622), Satin Relieved, Clear Coated. 622 is a matte black finish (US19). See here...:

What is the narrowest door (width) that the 4020 can be mounted on?

Resolution: When templated to 180 degrees, the standard 4020 closer will physically fit on a 17" wide door. Given the stop on the latch side of the frame is 1/2 or less. :